Closest dns server to me

Configuring DNS for email: A quick beginner’s guide

Godaddy.comNov 15, 2018 · Sending server: Ugh. I guess I need to fix my DNS so you will accept it. Anyone can send an email acting like someone else. I could set up an email server on my laptop and send an email to [email protected]_company.com saying that I’m [email protected]_company.com. If your_company.com’s mail server doesn’t have some way of checking, it will be accepted.

https://www.godaddy.com/garage/configuring-dns-for-email-a-quick-beginners-guide/ 

MilitaryCAC's Enterprise Email specific problems and

Militarycac.comJan 04, 2022 · Cloudflare - enter 1.1.1.1 for Preferred DNS server, and 1.0.0.1 for alternate DNS server. Click OK, then click Close Click OK, then click Close If you are a Spectrum customer, you may need to change the DNS on your router, changing it on the client doesn't seem to allow access for some users like the ideas above.

https://militarycac.com/EEmail.htm 

DNS servers in United States - Public DNS Server List

Public-dns.infoThis list of public and free DNS servers is checked continuously. Read how to change your DNS server settings. CSV; Plaintext; JSON; IP Address Location AS Number Software / Version Checked Status Reliability 50.209.89.209 mail.domus-surfaces.com. Chico 7922 COMCAST-7922: Microsoft DNS 6.1.7601 (1DB15D39) 2022-01-15 13:21:10 UTC: valid 100

https://public-dns.info/nameserver/us.html 

Mail server settings for iCloud email clients - Apple Support

Support.apple.comFeb 27, 2020 · You can use the mail server settings in this article to manually set up your email app to send and receive email with an iCloud email account. However, you shouldn't need to do that if you meet iCloud system requirements and can use any of these setup methods: Use iCloud Preferences on your Mac in OS X Lion 10.7.4 or later.

https://support.apple.com/en-us/HT202304 

Email Test to check the delivery to every mail server

Dnslytics.comTool description. The Email Test tool validates the syntax of the email address, performs a DNS query for the domain, checks all SMTP servers and checks to see if the email address is accepted. It does not sent an email. Just type an email address and click the Go button.

https://dnslytics.com/email-test 

Set up SPF to help prevent spoofing - Office 365

Docs.microsoft.comOct 18, 2021 · SPF identifies which mail servers are allowed to send mail on your behalf. Basically, SPF, along with DKIM, DMARC, and other technologies supported by Office 365, help prevent spoofing and phishing. SPF is added as a TXT record that is used by DNS to identify which mail servers can send mail on behalf of your custom domain.

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/set-up-spf-in-office-365-to-help-prevent-spoofing 

Sender ID | Microsoft Docs

Docs.microsoft.comAug 20, 2021 · The Exchange server sends a fake OK SMTP command to the source server, and then deletes the message. Because the source server assumes the message was sent, it doesn't try to resend the message in the same session. For more information about how to configure the action to take for spoofed mail and unreachable DNS servers, see Sender ID …

https://docs.microsoft.com/en-us/Exchange/antispam-and-antimalware/antispam-protection/sender-id 

DNS servers in Australia - Public DNS Server List

Public-dns.infoIP Address Location AS Number Software / Version Checked Status Reliability Whois; 203.58.224.123 Perth 1221 Telstra Corporation Ltd 2022-01-20 00:13:39 UTC: valid 69 % Whois: 144.130.160.186 dow3633850.lnk.telstra.net. Brisbane

https://public-dns.info/nameserver/au.html